ZHCSJQ8C may   2019  – june 2023 TCA9548A-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 I2C Interface Timing Requirements
    7. 6.7 Reset Timing Requirements
    8. 6.8 Switching Characteristics
    9. 6.9 Typical Characteristics
  8. 7 Parameter Measurement Information
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
    4. 8.4 Device Functional Modes
      1. 8.4.1 RESET Input
      2. 8.4.2 Power-On Reset
    5. 8.5 Programming
      1. 8.5.1 I2C Interface
      2. 8.5.2 Device Address
      3. 8.5.3 Bus Transactions
        1. 8.5.3.1 Writes
        2. 8.5.3.2 Reads
      4. 8.5.4 Control Register
      5. 8.5.5 RESET Input
      6. 8.5.6 Power-On Reset
  10.   Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
  11.   Power Supply Recommendations
    1. 9.1 Power-On Reset Requirements
  12. 9 Layout
    1. 9.1 Layout Guidelines
    2. 9.2 Layout Example
  13. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 接收文档更新通知
    3. 10.3 支持资源
    4. 10.4 商标
    5. 10.5 静电放电警告
    6. 10.6 术语表
  14.   Mechanical, Packaging, and Orderable Information

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5 Pin Configuration and Functions

GUID-348B345B-977E-4FC9-9BA7-2E597B9278C9-low.svgFigure 5-1 RGE Package, 24-Pin VQFN, Top View
Table 5-1 Pin Functions
PINTYPEDESCRIPTION
NAMEQFN
(RGE)
A022IAddress input 0. Connect directly to VCC or ground
A123IAddress input 1. Connect directly to VCC or ground
A218IAddress input 2. Connect directly to VCC or ground
GND9—Ground
RESET24IActive-low reset input. Connect to VCC or VDPUM(1) through a pull-up resistor, if not used
SD01I/OSerial data 0. Connect to VDPU0(1) through a pull-up resistor
SC02I/OSerial clock 0. Connect to VDPU0(1) through a pull-up resistor
SD13I/OSerial data 1. Connect to VDPU1(1) through a pull-up resistor
SC14I/OSerial clock 1. Connect to VDPU1(1) through a pull-up resistor
SD25I/OSerial data 2. Connect to VDPU2(1) through a pull-up resistor
SC26I/OSerial clock 2. Connect to VDPU2(1) through a pull-up resistor
SD37I/OSerial data 3. Connect to VDPU3(1) through a pull-up resistor
SC38I/OSerial clock 3. Connect to VDPU3(1) through a pull-up resistor
SD410I/OSerial data 4. Connect to VDPU4(1) through a pull-up resistor
SC411I/OSerial clock 4. Connect to VDPU4(1) through a pull-up resistor
SD512I/OSerial data 5. Connect to VDPU5(1) through a pull-up resistor
SC513I/OSerial clock 5. Connect to VDPU5(1) through a pull-up resistor
SD614I/OSerial data 6. Connect to VDPU6(1) through a pull-up resistor
SC615I/OSerial clock 6. Connect to VDPU6(1) through a pull-up resistor
SD716I/OSerial data 7. Connect to VDPU7(1) through a pull-up resistor
SC717I/OSerial clock 7. Connect to VDPU7(1) through a pull-up resistor
SCL19I/OSerial clock bus. Connect to VDPUM(1) through a pull-up resistor
SDA20I/OSerial data bus. Connect to VDPUM(1) through a pull-up resistor
VCC21PowerSupply voltage
(1) VDPUX is the pull-up reference voltage for the associated data line. VDPUM is the controller I2C reference voltage and VDPU0-VDPU7 are the target channel reference voltages.